Home / 790,154.22-1,182,904.65-489,669.06

Finding the Fourth Proportional to 790,154.22, 1,182,904.65 and 489,669.06

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Solution

The fourth proportional to 790,154.22, 1,182,904.65 and 489,669.06 is: 733,061.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,154.22 : 1,182,904.65 = 489,669.06 : x
  2. Step 2: Convert to fraction form
    790,154.22/1,182,904.65 = 489,669.06/x
  3. Step 3: Cross multiply
    790,154.22x = 1,182,904.65 × 489,669.06
  4. Step 4: Simplify right side
    790,154.22x = 579,231,808,035.13
  5. Step 5: Solve for x
    x = 579,231,808,035.13/790,154.22
  6. Step 6: Final answer
    x = 733,061.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.